I just got my water bill.<BR><BR>My current reading is supposed to be 7958 my last reading is supposed to be 6148.<BR><BR>I don't know what unit of measure these numbers are in, and how I used 1810 ...

Most homes already have a smart meter that digitally communicates with the electric grid. If you're looking to get rooftop solar panels, a smart meter is an essential piece of equipment. Here's why.

Forget hunting for a tape measure or a protractor. Use your Android phone camera and sensors to handle different types of measurements easily.

You don’t see them much anymore, but there was a time when any hobbyist who dealt with RF probably had a grid dip meter. The ...